java.lang.ClassCastException: KafkaStreamsSpike$BusinessProcess cannot be cast to [B

Google Groups | vivek sharma | 3 months ago
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Root Cause Analysis

  1. java.lang.ClassCastException

    KafkaStreamsSpike$BusinessProcess cannot be cast to [B

    at org.apache.kafka.common.serialization.ByteArraySerializer.serialize()
  2. Apache Kafka
    ByteArraySerializer.serialize
    1. org.apache.kafka.common.serialization.ByteArraySerializer.serialize(ByteArraySerializer.java:18)
    1 frame
  3. org.apache.kafka
    StreamThread.run
    1. org.apache.kafka.streams.processor.internals.RecordCollector.send(RecordCollector.java:77)
    2. org.apache.kafka.streams.processor.internals.SinkNode.process(SinkNode.java:72)
    3. org.apache.kafka.streams.processor.internals.StreamTask.forward(StreamTask.java:338)
    4. org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:187)
    5. org.apache.kafka.streams.kstream.internals.KStreamMap$KStreamMapProcessor.process(KStreamMap.java:43)
    6. org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:68)
    7. org.apache.kafka.streams.processor.internals.StreamTask.forward(StreamTask.java:338)
    8. org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:187)
    9. org.apache.kafka.streams.processor.internals.SourceNode.process(SourceNode.java:64)
    10. org.apache.kafka.streams.processor.internals.StreamTask.process(StreamTask.java:174)
    11. org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:320)
    12. org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:218)
    12 frames